Thirty years after devastating fire, Arlington International Racecourse faces a different challenge

Arlington International Chairman Dick Duchossois

Nuccio DiNuzzo / Chicago Tribune

Arlington International Chairman, Dick Duchossois, walks over to the paddock area, to wish good luck to all participants, before the start of race 6, during Arlington Million Day at the Arlington International Racecourse, at 2200 W. Euclid Ave., in Arlington Heights, Ill., on Saturday, Aug. 15, 2015.

Arlington International Chairman, Dick Duchossois, walks over to the paddock area, to wish good luck to all participants, before the start of race 6, during Arlington Million Day at the Arlington International Racecourse, at 2200 W. Euclid Ave., in Arlington Heights, Ill., on Saturday, Aug. 15, 2015. (Nuccio DiNuzzo / Chicago Tribune)